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IFR 2975 MOTHER BOARD PROBLEM

This forum exists for the purposes for discussing service monitors (This includes but is not limited to Motorola, HP, Aeroflex, GD, etc). Additional topics allowed include test procedures, interpretation of test results, where to find information about specific tests, antenna VSWR, return loss testing, duplexer and filter alignment, etc.

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giancom120b
New User
Posts: 14
Joined: Thu Jan 14, 2016 1:53 pm

IFR 2975 MOTHER BOARD PROBLEM

Postby giancom120b » Thu Oct 04, 2018 11:37 am

Hi to all, i have IFR 2975 with motherboard kontron 18020-0000-40-1 locked.
The first problem was this error: UMB upper limit address.
Then he completely stopped trying to reset the bios by not letting me access anymore.

This card have BIOS version M815R117.

we tried to update the bios (R118) but did not start.

can you help me solve the problem.
I would need the R117 version but kontron no longer has it available.

If I change the module and I mount a different version of the instrument is working?

I would also be looking for a compatible part.

Any help is appreciated

What BIOS version do you have on board?

Thank to all

Gianfranco

giancom120b
New User
Posts: 14
Joined: Thu Jan 14, 2016 1:53 pm

Re: IFR 2975 MOTHER BOARD PROBLEM

Postby giancom120b » Wed Dec 19, 2018 12:13 am

I update you on the situation, maybe it could be useful.
I solved the problem by working on an evaluetion board, by connecting the floppy I was able to complete the BIOS update procedure that was successful.
  The UMB error upper limit address is not an error but is an indication of use of the memory area.

Now the instrument works correctly.

Best regard
Gianfranco

MattSR
Posts: 769
Joined: Mon Apr 21, 2003 10:00 pm

Re: IFR 2975 MOTHER BOARD PROBLEM

Postby MattSR » Tue Dec 25, 2018 6:17 pm

Which evaluation board did you use?

giancom120b
New User
Posts: 14
Joined: Thu Jan 14, 2016 1:53 pm

Re: IFR 2975 MOTHER BOARD PROBLEM

Postby giancom120b » Sun Feb 03, 2019 11:53 am

I used this:
Kontron 18010-0000-00-0 for card ETX-P3T


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